HL7® Austria FHIR® Core Implementation Guide
2.1.0 - STU3
HL7® Austria FHIR® Core Implementation Guide
2.1.0 - STU3
HL7® Austria FHIR® Core Implementation Guide, published by HL7® Austria, TC FHIR®. This guide is not an authorized publication; it is the continuous build for version 2.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7Austria/HL7-AT-FHIR-Core-R5/ and changes regularly. See the Directory of published versions
| Official URL: https://fhir.hl7.at/core/r5/StructureDefinition/at-core-ext-address-municipalityKey | Version: 2.1.0 | ||||
| Active as of 2026-10-20 | Computable Name: AddressMunicipalityKey | ||||
HL7® Austria FHIR® Core Extension for the municipality key (Gemeindekennziffer) part of the Austrian address. The municipality key is related to the municipality code (Gemeindecode). While these two are generally identical, there is one notable exception: in Vienna, the municipality key (Gemeindekennziffer) is consistently 90001, whereas the municipality code (Gemeindecode) varies by district. The current list of values is provided by Statistik Austria.
Context of Use
This extension may be used on the following element(s)
Address
https://fhir.hl7.at/core/r5/StructureDefinition/at-core-address#Address
Usage info
Usages:
You can also check for usages in the FHIR IG Statistics
Description Differentials, Snapshots, and other representations.
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter:  |
|---|---|---|---|---|
  Extension |
0..* | Extension | Gemeindekennziffer (GKZ) | |
  id |
0..1 | id | Unique id for inter-element referencing | |
 extension |
0..0 | Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them | ||
| url |
1..1 | uri | "https://fhir.hl7.at/core/r5/StructureDefinition/at-core-ext-address-municipalityKey" | |
 value[x] |
1..1 | string | Value of extension | |
| Documentation for this format | ||||
| Id | Grade | Path(s) | Description | Expression |
This structure is derived from Extension
Summary
Simple Extension with the type string: HL7® Austria FHIR® Core Extension for the municipality key (Gemeindekennziffer) part of the Austrian address. The municipality key is related to the municipality code (Gemeindecode). While these two are generally identical, there is one notable exception: in Vienna, the municipality key (Gemeindekennziffer) is consistently 90001, whereas the municipality code (Gemeindecode) varies by district. The current list of values is provided by Statistik Austria.
Differential View
This structure is derived from Extension
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Gemeindekennziffer (GKZ) | |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them | ||
| url |
1..1 | uri | "https://fhir.hl7.at/core/r5/StructureDefinition/at-core-ext-address-municipalityKey" | |
| value[x] |
1..1 | string | Value of extension | |
| Documentation for this format | ||||
| Id | Grade | Path(s) | Description | Expression |
This structure is derived from Extension
Summary
Simple Extension with the type string: HL7® Austria FHIR® Core Extension for the municipality key (Gemeindekennziffer) part of the Austrian address. The municipality key is related to the municipality code (Gemeindecode). While these two are generally identical, there is one notable exception: in Vienna, the municipality key (Gemeindekennziffer) is consistently 90001, whereas the municipality code (Gemeindecode) varies by district. The current list of values is provided by Statistik Austria.
Other representations of profile: CSV, Excel, Schematron
